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EPA 608 Exams Bundled Together with complete solutions Questions and Answers (Verified Answers)(Full Solution Pack)

what is CFCs? - answer-Chlorofluorocarbons (Chlorine, Fluorine, and carbon) What is HCFCs? - answer-Hydrochlorofluorocarbons (hydrogen, chlorine, fluorine, and carbon) What is ASHRAEs? - answer-The American Society of Heating Refrigerating and Airconditioning Engineers. A global professional association seeking to advance heating, ventilation, airconditioning and refrigeration systems. What is the greatest effect in the stratosphere? - answer-The greatest effect ...

Refrigeration technicians who violate the Clean Air Act can: - answer-D) all of the above. After 1995, any supplies of CFC refrigerant to service existing units in the USA can only come from: - answer-A) recovery and recycling. Refrigerant that is recovered can be returned to: - answer-A) the same system or other systems owned by the same person without restriction. Refrigerant can not be called "reclaimed" unless it: - answer-B) has been chemically analyzed an...

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? - answer-July 1, 1992. What is the ozone layer and why is it important to us on Earth? - answer-Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere layer that extends about 6 to 30 miles above earth. The atom found in CFC and HCFC refrigerants that destroys ozone in the stratosphere is? - answer-Chlorine. What is an ozone mol...

The layer of the Stratosphere that protects us from excessive Ultra Violet radiation is comprised of; - answer-Ozone The molecule found in CFC's and HCFC's that depletes ozone is: - answer-chlorine Crop loss, eye disease, and skin cancer have been attributed to; - answer-Depletion of Stratospheric ozone How many chlorine atoms does it take to destroy 1,000,000 (one million) ozone molecules? - answer-10 The chlorine in CFC's will; - answer-not dissolve...

Technicians who service, maintain, dispose of appliances designed to contain refrigerant must be certified by November 14, 1994 - answer-What is the 608 Federal Clean Air Act? November 14, 1994 - answer-When was the 608 Federal Clean Air Act started? Between 10 and 30 miles above sea level - answer-Where is the Ozone located? Three oxygen atoms - answer-What does an Ozone molecule consist of? Croploss, Increase eye diseases, Skin cancer, Reduced marine life, D...

EPA 608 Core Exam Questions And Answers

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? a. July 1, 1992 b. July 1, 1993 c. November 14, 1994 d. January 1, 1996 - answer-a. July 1, 1992 What is the ozone layer and why is it important to us on Earth? a. Thin layer of R-22 in the atmosphere that filters UV. b. Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere layer that extends about 6 to 30 miles above earth c. Thin lay...

When moisture exists in an operating system, what is most likely to occur? - answer-Acid will form. What factor(s) affects the speed of evacuation? - answer-1) The size of the equipment being evacuated. 2)The ambient temperature. 3) The amount of moisture in the system A system is considered dehydrated when? - answer-The vacuum indicator shows you have reached & held the required finished vacuum. The over-evacuation of a system: - answer-Does not occur. ...

USPS 421 EXAMS Bundled Together with complete solutions Questions and Answers (Verified Answers)(Full Solution Pack)